HORTILUX Super HPS, 400W, U Lamp E-18

The Hortilux is our best 400-watt HPS lamp for spectral and lumen output. Strong yellow-orange-red HPS light for fruiting and flowering is supplemented with an increase in the blue spectrum for healthy, compact vegetative growth. For use in 400-watt sodium systems only. Universal lamp can be used in base-up or horizontal positions and emits 55,000 lumens.